Lutjanus bohar

Lutjanus bohar, the two-spot red snapper, is a species of snappers belonging to the family Lutjanidae. It is also known as the red bass, twinspot snapper or Bohar snapper.[3]

Lutjanus bohar
Lutjanus bohar from French Polynesia

Least Concern  (IUCN 3.1)
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Perciformes
Family:
Lutjanidae
Genus:
Lutjanus
Species:
L. bohar
Binomial name
Lutjanus bohar
(Forsskål, 1775)
Synonyms
  • Sciaena bohar Forsskål, 1775
  • Lutianus bohar (Forsskål, 1775)
  • Sparus lepisurus Lacépède, 1802
  • Mesoprion rangus G. Cuvier, 1828
  • Lutjanus rangus (G. Cuvier, 1828)
  • Diacope quadriguttata G. Cuvier, 1828
  • Diacope labuan Montrouzier, 1857
  • Mesoprion rubens W. J. Macleay, 1882
  • Lutianus nukuhivae Seale, 1906
  • Lutjanus coatesi Whitley, 1934

[1][2]

Description

The two-spot red snapper can reach a length of 90 cm (35 in), though most do not exceed 76 cm (30 in). The greatest recorded weight for this species is 12.5 kg (28 lb). These large reddish tropical snappers show darker fins, a rounded profile of head and a groove running from the nostrils to the eyes. They have 10 dorsal spines and 3 anal spines. Juveniles and some adults have two silvery-white spots (hence the common name) on the back close to their dorsal fins, while larger adults lose the spots and become mostly red.[4] Large adults may cause ciguatera poisoning.[5]

This species is a commercially important species and is also sought-after as a game fish.

Biology
Close-up

It is a long-lived and slow-growing species which reaches maturity at 8–9 years, and the oldest recorded individual is 56.[4] These fishes are carnivorous, mostly feeding on other fishes, crustaceans and molluscs.[4]

Adult snappers often form large schools on the outer reefs or above sandy areas, mainly to form spawning aggregations. Small brownish juveniles mimic damselfishes of the genus Chromis in order to approach their preys.[5]

Two chambered nautiluses feeding on a two-spot red snapper.

The chambered nautilus, Nautilus pompilius, is known to scavenge deceased snappers. A pair of nautiluses recorded feeding on a snapper at 703 metres below the surface constitutes the deepest recorded sighting of any nautilus species.

Distribution

This species is native to the Indian Ocean. It is widespread in the Indo-Pacific from the east African coast, north to the Red Sea, to the western Pacific Ocean, north to the Ryukyu Islands, south to Australia.

Habitat

It is a coral reef inhabitant, being found at depths from 4 to 180 m (13 to 591 ft), though usually between 10 and 70 m (33 and 230 ft).[4]

Bibliography
Juvenile Lutjanus bohar with two white spots on back
  • Allen, G.R., 1985. FAO Species Catalogue. Vol. 6. Snappers of the world. An annotated and illustrated catalogue of lutjanid species known to date. FAO Fish. Synop. 125(6):208 p. Rome: FAO.
  • Frimodt, C., 1995. Multilingual illustrated guide to the world's commercial coldwater fish. Fishing News Books, Osney Mead, Oxford,. 215 p.
  • Fenner, Robert M.: The Conscientious Marine Aquarist. Neptune City, USA: T.F.H. Publications, 2001.
  • Helfman, G., B. Collette y D. Facey: The diversity of fishes. Blackwell Science, Malden, Massachusetts, USA, 1997.
  • Hoese, D.F. 1986: . A M.M. Smith y P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin, Germany.
Two-spot red snapper
  • Maugé, L.A. 1986. A J. Daget, J.-P. Gosse y D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA).
  • Moyle, P. y J. Cech.: Fishes: An Introduction to Ichthyology, 4th. Ed., Upper Saddle River, USA: Prentice-Hall. Año 2000.
  • Nelson, J.: Fishes of the World, 3rd ed.. New York: John Wiley and Sons.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2nd. Ed. London: Macdonald. 1985.
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References
  1. Catalogue of life
  2. Biolib
  3. Froese, Rainer and Pauly, Daniel, eds. (2013). "Lutjanus bohar" in FishBase. December 2013 version.
  4. Bray, Dianne. "Red Bass, Lutjanus bohar". Fishes of Australia. Retrieved 29 September 2014.
  5. Dianne J. Bray, 2011 Red Bass, Lutjanus bohar, in Fishes of Australia
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